203 search results - page 20 / 41 » On Inducing Polygons and Related Problems |
SSD
1993
Springer
13 years 11 months ago
1993
Springer
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
ADCM
2007
13 years 7 months ago
2007
In this paper we provide an extension of barycentric coordinates from simplices to arbitrary convex sets. Barycentric coordinates over convex 2D polygons have found numerous appli...
ALGORITHMICA
2006
13 years 7 months ago
2006
Hierarchical graphs and clustered graphs are useful non-classical graph models for structured relational information. Hierarchical graphs are graphs with layering structures; clus...
COMBINATORICS
2000
13 years 7 months ago
2000
Given a space endowed with symmetry, we define ms(, r) to be the maximum of m such that for any r-coloring of there exists a monochromatic symmetric set of size at least m. We c...
CEC
2010
IEEE
13 years 4 months ago
2010
IEEE
The operation of drilling rigs is highly expensive. It is therefore important to be able to identify and analyse variables affecting rig operations. We investigate the use of Genet...